Something growing on my clam

[zs_reef]

Hey guys, not sure what’s growing on my clam here is a photo of it. I appreciate any help id it. Thank you!

 

[SHNICI]

Probably photo on white lights can help more :)
Can't see it clearly, sorry

 

[zs_reef]

Probably photo on white lights can help more :)
Can't see it clearly, sorry

It opens during day..and it’s attached to the clams shell ( can’t just remove it ) clam still opens and looks good has nice coloring tho

 

[KJ]

It opens during day..and it’s attached to the clams shell ( can’t just remove it ) clam still opens and looks good has nice coloring tho

Look like bivalve.

 

[SHNICI]

I guess another clam SP is attached to your one but can't confirm what exactly. Have a look on this (the selected one) how many are attached to it ;)
@KJ if isn't predator the attached one do you think can hurt his clam ?
(how I take off something like this attached to clam or another shel I want to save, I'm taking very fine/thin needle (gauge sizes 24-26) with 1-1.5ml syringe -> filling the syringe with white vinegar -> waiting the other shell to open and I stick and empty the vinegar in it. In hour max it will be completely dead and I open it gently with knife or something under the water and empty it not to pollute the tank water.
Done it few times for customers and friends.